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74153 Dual 4 Input Multiplexer Ic 74HC153 74LS153
The 74153 IC (available as 74HC153 / 74LS153) is a Dual 4-to-1 Multiplexer in a DIP-16 package. Each multiplexer has four data inputs, two select inputs, and one enable input. It is widely used in digital systems for logic selection, data routing, and signal multiplexing.
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74ls139 Dual 1-of-4 Decoder Demultiplexer
The 74LS139 is a Dual 1-of-4 Decoder/Demultiplexer IC in a DIP-16 package. It features two independent 2-to-4 line decoders with active-low outputs and enable inputs. Widely used in memory address decoding, demultiplexing, and digital logic systems.
